Measurement dew point range: -25.3 to 48.9°C Power supply: 1 x 9V dry battery (test battery) Measurement temperature range (℃): 0 to 50 Temperature minimum display (℃): 0.1 Measurement humidity range (%RH): 10 to 95 Minimum humidity display (%RH): 0.1 Color:黑色 宽度(mm):60 深度(mm):33 高度(mm):135 电源:1 x 9V干电池